Seen at the Globe&Mail's Social Studies, clipped from the LA Times:

Refrigerator rights: A degree of intimacy that permits some people to freely help themselves to anything at your house without scorn. "[Y]our best friend from second grade, the woman you've talked with every Sunday evening for 25 years, would have instant refrigerator rights even if you hadn't actually seen her for months or years," writes Joy Dickinson in The Dallas Morning News. Dr. Will Miller, a U.S. therapist, ordained minister and corporate speaker has recently published Refrigerator Rights: Creating Connections and Restoring Relationships (Perigee).